223007725 has 12 divisors (see below), whose sum is σ = 277565940. Its totient is φ = 177737600.

The previous prime is 223007713. The next prime is 223007737. The reversal of 223007725 is 527700322.

It is an interprime number because it is at equal distance from previous prime (223007713) and next prime (223007737).

It can be written as a sum of positive squares in 6 ways, for example, as 3316041 + 219691684 = 1821^2 + 14822^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223007725 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223007693 and 223007702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9856 + ... + 23305.

It is an arithmetic number, because the mean of its divisors is an integer number (23130495).

Almost surely, 2^223007725 is an apocalyptic number.

223007725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223007725 is a deficient number, since it is larger than the sum of its proper divisors (54558215).

223007725 is a wasteful number, since it uses less digits than its factorization.

223007725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33440 (or 33435 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 223007725 is about 14933.4431729591. The cubic root of 223007725 is about 606.4197016689.

The spelling of 223007725 in words is "two hundred twenty-three million, seven thousand, seven hundred twenty-five".